Allantoic sac
[醫(yī)] 尿膜囊
?? 詞語組成解析
a. [動(dòng)]尿囊的,尿囊內(nèi)的,有尿囊的
sac
[s?k]
n. （動(dòng)植物組織中的）囊，液囊;
abbr. 縮寫 = (US) Strategic Air Command 戰(zhàn)略空軍司令部。;
??? 情景例句
What did you order?
您點(diǎn)了什么？
All she cares about is her social life.
她關(guān)心的只是她的社交活動(dòng)。
You don't have many apples, Jim, says Li Lei.
“你的蘋果不多，吉姆，”李壘說